package oop3;

/**
 * @author oldliu
 * @since 1.0
 */
public class TestARrr {
    public static void main(String[] args) {
        int i = 100;
        System.out.println(i);
        for (int j = 0; j < 10; j++) {
            System.out.println(j);
        }
        //for中定义的变量，范围就在for当中，出了for就无效了
        //System.out.println(j);//error:

    }
}
